Q: Is 4,991 a Prime Number?

 A: No, 4,991 is not a prime number.

Why is 4,991 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 4991 can be evenly divided by 1 7 23 31 161 217 713 and 4,991, with no remainder.

Since 4,991 cannot be divided by just 1 and 4,991, it is not a prime number.


More Examples

Number 4,9894,9904,9924,993
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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